{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:38:03Z","timestamp":1787017083176,"version":"build-2736575974"},"reference-count":47,"publisher":"BMJ","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Thorax"],"published-print":{"date-parts":[[1994,1,1]]},"DOI":"10.1136\/thx.49.1.41","type":"journal-article","created":{"date-parts":[[2008,12,12]],"date-time":"2008-12-12T22:22:59Z","timestamp":1229120579000},"page":"41-49","source":"Crossref","is-referenced-by-count":37,"title":["Differences in utilisation of asthma drugs between two neighbouring Swedish provinces: relation to prevalence of obstructive airway disease."],"prefix":"10.1136","volume":"49","author":[{"given":"L","family":"Larsson","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G","family":"Boethius","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M","family":"Uddenfeldt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","reference":[{"issue":"43","key":"ref_1","first-page":"481","article-title":"Epidemiology of asthma in western Europe","volume":"1988","author":"Charpin, D.; Vervloet, D.; Charpin, J.","unstructured":"Charpin D, Vervloet D, Charpin J. Epidemiology of asthma in western Europe. Allergy 1988;43:481-92.","journal-title":"Allergy"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"198","DOI":"10.1183\/09031936.93.06020198","article-title":"Differences in utilization of asthma drugs between two neighbouring Swedish provinces: relation to symptom reporting","volume":"6","author":"Larsson, L.; Boethius, G.; Uddenfeldt, M.","year":"1993","unstructured":"Larsson L, Boethius G, Uddenfeldt M. Differences in utilization of asthma drugs between two neighbouring Swedish provinces: relation to symptom reporting. Eur Respir J 1993;6:198-203.","journal-title":"Eur Respir J"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"1285","DOI":"10.1164\/ajrccm\/136.5.1285","article-title":"American Thoracic Society. Standardization of spirometry - 1987 update","volume":"136","year":"1987","unstructured":"American Thoracic Society. Standardization of spirometry - 1987 update. Am Rev Respir Dis 1987;136:1285-98.","journal-title":"Am Rev Respir Dis"},{"key":"ref_4","first-page":"27586","article-title":"flow-volume curves and spirometry in healthy children, 7-18 years of age","volume":"61","author":"Solymar, L.; Aronsson, P.-H.; Bake, B.; single breath test, Bjure J.Nitrogen","year":"1980","unstructured":"Solymar L, Aronsson P-H, Bake B, Bjure J. Nitrogen single breath test, flow-volume curves and spirometry in healthy children, 7-18 years of age. EurJrRespir Dis 1980;61:27586.","journal-title":"EurJrRespir Dis"},{"key":"ref_5","first-page":"185","article-title":"Spirometric studies in normal subjects","volume":"173","author":"Berglund, E.; Birath, G.; Grimby, G.; Kjellmer, I.; Sandqvist, L.; Soderholm, B.","year":"1963","unstructured":"Berglund E, Birath G, Grimby G, Kjellmer I, Sandqvist L, Soderholm B. Spirometric studies in normal subjects. Acta Med Scand 1963;173:185-92.","journal-title":"Acta Med Scand"},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"1368","DOI":"10.1164\/ajrccm\/140.5.1368","article-title":"The distribution of peak expiratory flow variability in a population sample","volume":"140","author":"Higgins, B.G.; Britton, JR, Chinn; S, Cooper; S, Burney; PGJ, Tattersfield; A.E.","year":"1989","unstructured":"Higgins BG, Britton JR, Chinn S, Cooper S, Burney PGJ, Tattersfield AE. The distribution of peak expiratory flow variability in a population sample. Am Rev Respir Dis 1989;140: 1368-72.","journal-title":"Am Rev Respir Dis"},{"key":"ref_7","first-page":"466","article-title":"Short-term and long-term variation in bronchial response to histamine in asthmatic patients","volume":"64","author":"Lowhagen 0, Lindholm NB","year":"1983","unstructured":"Lowhagen 0, Lindholm NB. Short-term and long-term variation in bronchial response to histamine in asthmatic patients. Eur J Respir Dis 1983;64:466-72.","journal-title":"Eur J Respir Dis"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"225","DOI":"10.1164\/ajrccm\/136.1.225","article-title":"American Thoracic Society. Standards for the diagnosis and care of patients with chronic obstructive pulmonary disease (COPD) and asthma","volume":"136","year":"1987","unstructured":"American Thoracic Society. Standards for the diagnosis and care of patients with chronic obstructive pulmonary disease (COPD) and asthma. Am Rev Respir Dis 1987;136:225-44.","journal-title":"Am Rev Respir Dis"},{"key":"ref_9","first-page":"536","article-title":"Diagnosis and treatment of asthma across Europe","volume":"2","author":"Ruggieri, F.; Hindle, M.","year":"1989","unstructured":"Ruggieri F, Hindle M. Diagnosis and treatment of asthma across Europe. Eur Respir J 1989;2:536s-539s.","journal-title":"Eur Respir J"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"537","DOI":"10.1136\/thx.47.7.537","article-title":"Asthma from birth to age 23: incidence and relation to prior and concurrent atopic disease","volume":"47","author":"Anderson, H.R.; Pottiere, A.C.; Strachan, D.P.","year":"1992","unstructured":"Anderson HR, Pottiere AC, Strachan DP. Asthma from birth to age 23: incidence and relation to prior and concurrent atopic disease. Thorax 1992;47:537-42.","journal-title":"Thorax"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"405","DOI":"10.1016\/S0272-5231(21)00709-7","article-title":"The diagnosis of emphysema, chronic bronchitis, and asthma","volume":"11","author":"Clausen, J.L.","year":"1990","unstructured":"Clausen JL. The diagnosis of emphysema, chronic bronchitis, and asthma. Clin Chest Med 1990;11:405-16.","journal-title":"Clin Chest Med"},{"key":"ref_12","first-page":"1456","article-title":"Is it useful to distinguish between asthma and chronic obstructive pulmonary disease in respiratory epidemiology?","author":"Rijcken, B.; Schouten, J.P.; Rosner, B.; Weiss, S.T.","year":"1991","unstructured":"Rijcken B, Schouten JP, Rosner B, Weiss ST. Is it useful to distinguish between asthma and chronic obstructive pulmonary disease in respiratory epidemiology? Am Rev Respir Dis 1991:1456-7.","journal-title":"Am Rev Respir Dis"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"525","DOI":"10.1136\/bmj.293.6546.525","article-title":"Respiratory symptoms and bronchial reactivity: identification of a syndrome and its relation to asthma","volume":"293","author":"Mortagy, A.K.; Howell, J.B.L.; Waters, W.E.","year":"1986","unstructured":"Mortagy AK, Howell JBL, Waters WE. Respiratory symptoms and bronchial reactivity: identification of a syndrome and its relation to asthma. BMJ 1986;293:525-9.","journal-title":"BMJ"},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"633","DOI":"10.1056\/NEJM197903223001201","article-title":"Chronic cough as the sole presenting manifestation of bronchial asthma","volume":"300","author":"Corrao, W.M.; Braman, S.S.; Irwin, R.S.","year":"1979","unstructured":"Corrao WM, Braman SS, Irwin RS. Chronic cough as the sole presenting manifestation of bronchial asthma. N Engl J Med 1979;300:633-7.","journal-title":"N Engl J Med"},{"issue":"6","key":"ref_15","doi-asserted-by":"crossref","first-page":"89","DOI":"10.1378\/chest.91.6_Supplement.89S","article-title":"Epidemiological methods for measuring prevalence of asthma","volume":"91","author":"Woolcock, A.","year":"1987","unstructured":"Woolcock A. Epidemiological methods for measuring prevalence of asthma. Chest 1987;91(Suppl 6):89S-93S.","journal-title":"Chest"},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"123","DOI":"10.1007\/BF00158781","article-title":"An interview study to estimate prevalence of asthma and chronic bronchitis. The Obstructive Lung Disease in Northern Sweden study","volume":"9","author":"Lundback, B.; Stjernberg, N.; Nystrom, L.; Lundback, K.; Lindstr6m, M.; Rosenhall, L.","year":"1993","unstructured":"Lundback B, Stjernberg N, Nystrom L, Lundback K, Lindstr6m M, Rosenhall L. An interview study to estimate prevalence of asthma and chronic bronchitis. The Obstructive Lung Disease in Northern Sweden study. Eur J Epidemiol 1993;9:123-33.","journal-title":"Eur J Epidemiol"},{"key":"ref_17","first-page":"117","article-title":"Methacholine reactivity and asthma. Report from the Northern Sweden Obstructive Lung Disease project","volume":"48","author":"Lundback, B.; Stjernberg, N.; Rosenhall, L.; Lindstrom, M.; Jonsson, E.","year":"1993","unstructured":"Lundback B, Stjernberg N, Rosenhall L, Lindstrom M, Jonsson E. Methacholine reactivity and asthma. Report from the Northern Sweden Obstructive Lung Disease project. Allergy 1993;48:117-24.","journal-title":"Allergy"},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"732","DOI":"10.1136\/thx.35.10.732","article-title":"Comparison of normal and asthmatic circadian rhythms in peak expiratory flow rate","volume":"35","author":"Hetzel, M.R.; Clark, T.J.H.","year":"1980","unstructured":"Hetzel MR, Clark TJH. Comparison of normal and asthmatic circadian rhythms in peak expiratory flow rate. Thorax 1980;35:732-8.","journal-title":"Thorax"},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"323","DOI":"10.1164\/ajrccm\/143.2.323","article-title":"The normal range of diurnal changes in peak expiratory flow rates. Relationship to symptoms and respiratory disease","volume":"143","author":"Quackenboss, J.J.; Lebowitz, M.D.; Krzyzanowski, M.","year":"1991","unstructured":"Quackenboss JJ, Lebowitz MD, Krzyzanowski M. The normal range of diurnal changes in peak expiratory flow rates. Relationship to symptoms and respiratory disease. Am Rev Respir Dis 1991;143:323-30.","journal-title":"Am Rev Respir Dis"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1111\/j.1365-2222.1988.tb02878.x","article-title":"Bronchial hyperresponsiveness is not bronchial hyperresponsiveness is not bronchial asthma","volume":"18","author":"Pauwels, R.; Joos, G.; Van Der Straeten, M.","year":"1988","unstructured":"Pauwels R, Joos G, Van Der Straeten M. Bronchial hyperresponsiveness is not bronchial hyperresponsiveness is not bronchial asthma. Clin Allergy 1988;18:317-21.","journal-title":"Clin Allergy"},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"476","DOI":"10.1183\/09031936.93.01050478","article-title":"Is hyperreactivity the same as asthma?","volume":"1","author":"Britton, J.","year":"1988","unstructured":"Britton J. Is hyperreactivity the same as asthma? Eur Respir J 1988;1:476-91.","journal-title":"Eur Respir J"},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"294","DOI":"10.1159\/000194941","article-title":"Relations between clinical signs and lung function in bronchial asthma: how is acute bronchial obstruction reflected in dyspnoea and wheezing?","volume":"50","author":"Baumann, U.A.; Haerdi, E.; Keller, R.","year":"1986","unstructured":"Baumann UA, Haerdi E, Keller R. Relations between clinical signs and lung function in bronchial asthma: how is acute bronchial obstruction reflected in dyspnoea and wheezing? Respiration 1986;50:294-300.","journal-title":"Respiration"},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"177","DOI":"10.1136\/thx.32.2.177","article-title":"How mild is mild asthma?","volume":"32","author":"Rubinfeld, A.R.; Pain, M.C.F.","year":"1977","unstructured":"Rubinfeld AR, Pain MCF. How mild is mild asthma? Thorax 1977;32:177-81.","journal-title":"Thorax"},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"408","DOI":"10.1136\/thx.47.6.408","article-title":"Poorly perceived asthma","volume":"47","author":"Barnes, P.J.","year":"1992","unstructured":"Barnes PJ. Poorly perceived asthma. Thorax 1992;47:408-9.","journal-title":"Thorax"},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"633","DOI":"10.1164\/ajrccm\/146.3.633","article-title":"Toward a definition of asthma for epidemiology","volume":"146","author":"Toelle, B.G.; Peat, J.K.; Salome, C.M.; Mellis, C.M.; Woolcock, A.J.","year":"1992","unstructured":"Toelle BG, Peat JK, Salome CM, Mellis CM, Woolcock AJ. Toward a definition of asthma for epidemiology. Am Rev Respir Dis 1992;146:633-7.","journal-title":"Am Rev Respir Dis"},{"key":"ref_26","first-page":"871","article-title":"Response to large doses of salbutamol and theophylline in patients with chronic obstructive pulmonary disease","volume":"132","author":"Filuk, R.B.; Easton, P.A.; Anthonisen, N.R.","year":"1985","unstructured":"Filuk RB, Easton PA, Anthonisen NR. Response to large doses of salbutamol and theophylline in patients with chronic obstructive pulmonary disease. Am Rev Respir Dis 1985;132:871-4.","journal-title":"Am Rev Respir Dis"},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"36","DOI":"10.1378\/chest.91.5_Supplement.36S","article-title":"EC and the IPPB Trial group. Response to inhaled bronchodilators in COPD","volume":"5","author":"Anthonisen, N.R.; Wright","year":"1987","unstructured":"Anthonisen NR, Wright EC and the IPPB Trial group. Response to inhaled bronchodilators in COPD. Chest 1987;5:36s-39s.","journal-title":"Chest"},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"912","DOI":"10.1136\/thx.39.12.912","article-title":"Bronchial responsiveness to methacholine in chronic bronchitis: relationship to airflow obstruction and cold air responsiveness","volume":"39","author":"Ramsdale, E.H.; Morris, M.M.; Roberts, R.S.; Hargreave, F.E.","year":"1984","unstructured":"Ramsdale EH, Morris MM, Roberts RS, Hargreave FE. Bronchial responsiveness to methacholine in chronic bronchitis: relationship to airflow obstruction and cold air responsiveness. Thorax 1984;39:912-8.","journal-title":"Thorax"},{"key":"ref_29","first-page":"25","article-title":"Prevalence and nature of bronchial hyperresponsiveness in subjects with chronic obstructive pulmonary disease","volume":"132","author":"Yan, K.; Salome, C.M.; Woolcock, A.","year":"1985","unstructured":"Yan K, Salome CM, Woolcock A. Prevalence and nature of bronchial hyperresponsiveness in subjects with chronic obstructive pulmonary disease. Am Rev Respir Dis 1985;132:25-9.","journal-title":"Am Rev Respir Dis"},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"771","DOI":"10.1136\/thx.41.10.771","article-title":"Interpretation of the variability of peak flow rates in chronic bronchitis","volume":"61","author":"Ramsdale, E.H.; Morris, M.M.; Hargreave, F.E.","year":"1986","unstructured":"Ramsdale EH, Morris MM, Hargreave FE. Interpretation of the variability of peak flow rates in chronic bronchitis. Thorax 1986;61:771-6.","journal-title":"Thorax"},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"497","DOI":"10.1183\/09031936.93.02060497","article-title":"Diagnostic value of reversibility of chronic airway obstruction to separate asthma from chronic bronchitis: a statistical approach","volume":"2","author":"Meslier, N.; Racineux, J.L.; Six, P.; Lockhart, A.","year":"1989","unstructured":"Meslier N, Racineux JL, Six P, Lockhart A. Diagnostic value of reversibility of chronic airway obstruction to separate asthma from chronic bronchitis: a statistical approach. Eur Respir J 1989;2:497-505.","journal-title":"Eur Respir J"},{"key":"ref_32","first-page":"330","article-title":"Bronchial asthma and chronic bronchitis in a random population sample","volume":"48","author":"Julin, A.; Wilhelmsen, L.","year":"1967","unstructured":"Julin A, Wilhelmsen L. Bronchial asthma and chronic bronchitis in a random population sample. Scandj Respir Dis 1967;48:330-42.","journal-title":"Scandj Respir Dis"},{"key":"ref_33","first-page":"262","article-title":"The prevalence ofbronchial asthma and chronic bronchitis in smokers and nonsmokers in a representative local Swedish population","volume":"55","author":"Kiviloog, J.; Irnell, L.; Eklund, G.","year":"1974","unstructured":"Kiviloog J, Irnell L, Eklund G. The prevalence ofbronchial asthma and chronic bronchitis in smokers and nonsmokers in a representative local Swedish population. Scand J Respir Dis 1974;55:262-76.","journal-title":"Scand J Respir Dis"},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"863","DOI":"10.1136\/thx.46.12.863","article-title":"Prevalence of obstructive lung disease in a general population: relation to occupational title and exposure to some airbome agents","volume":"46","author":"Bakke, P.S.; Baste, V.; Hanoa, R.; Gulsvik, A.","year":"1991","unstructured":"Bakke PS, Baste V, Hanoa R, Gulsvik A. Prevalence of obstructive lung disease in a general population: relation to occupational title and exposure to some airbome agents. Thorax 1991;46:863-70.","journal-title":"Thorax"},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"534","DOI":"10.1136\/thx.43.7.534","article-title":"Prospective study of asthma in relation to smoking habits among 14729 adults","volume":"43","author":"Vesterinen, E.; Kaprio, J.; Koskenvuo, M.","year":"1988","unstructured":"Vesterinen E, Kaprio J, Koskenvuo M. Prospective study of asthma in relation to smoking habits among 14729 adults. Thorax 1988;43:534-9.","journal-title":"Thorax"},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"161","DOI":"10.1111\/j.1398-9995.1991.tb00564.x","article-title":"Asthma, allergic rhinitis and atopic eczema in Finnish children and adolescents","volume":"46","author":"Poysa, L.; Korppi, M.; Pietikiiinen, M.; Remes, K.; Juntunen-Backman, K.","year":"1991","unstructured":"Poysa L, Korppi M, Pietikiiinen M, Remes K, Juntunen-Backman K. Asthma, allergic rhinitis and atopic eczema in Finnish children and adolescents. Allergy 1991;46:161-5.","journal-title":"Allergy"},{"key":"ref_37","doi-asserted-by":"crossref","first-page":"361","DOI":"10.1136\/thx.42.5.361","article-title":"Prevalence of bronchial hyperresponsiveness and asthma in a rural adult population","volume":"42","author":"Woolcock, A.J.; Peat, J.K.; Salome, C.M.; Yan, K.; Anderson, S.D.; Schoeffel, R.E.","year":"1987","unstructured":"Woolcock AJ, Peat JK, Salome CM, Yan K, Anderson SD, Schoeffel RE, et al. Prevalence of bronchial hyperresponsiveness and asthma in a rural adult population. Thorax 1987;42:361-8.","journal-title":"Thorax"},{"key":"ref_38","doi-asserted-by":"crossref","first-page":"1326","DOI":"10.1136\/bmj.305.6865.1326","article-title":"Prevalence of asthma in adults in Busselton, Western Australia","volume":"305","author":"Peat, J.K.; Haby, M.; Spijker, J.; Berry, G.; Woolcock, A.J.","year":"1992","unstructured":"Peat JK, Haby M, Spijker J, Berry G, Woolcock AJ. Prevalence of asthma in adults in Busselton, Western Australia. BMJ 1992;305:1326-9.","journal-title":"BMJ"},{"key":"ref_39","first-page":"1","article-title":"Epidemiological trends in bronchial asthma","volume":"49","author":"Sears, M.R.","year":"1991","unstructured":"Sears MR. Epidemiological trends in bronchial asthma. In: Kaliner MA, Barnes PJ, Persson CGA, eds. Asthma, its pathology and treatment. Lung biology in health and disease. Volume 49. New York: Dekker, 1991:1-49.","journal-title":"Volume; its pathology and treatment. Lung biology in health and disease"},{"key":"ref_40","first-page":"1","article-title":"National survey of asthma among children in the United States, 1976 to 1980","volume":"81","author":"Gergen, P.J.; Mullally, D.I.; Evans, R.","year":"1988","unstructured":"Gergen PJ, Mullally DI, Evans R. National survey of asthma among children in the United States, 1976 to 1980. Pediatrics 1988;81:1-7.","journal-title":"Pediatrics"},{"key":"ref_41","first-page":"24284","article-title":"Epidemiological aspects","author":"Gregg, I.","unstructured":"Gregg I. Epidemiological aspects. In: Clark TJH, Godfrey S, eds. Asthma. London: Chapman and Hall, 1983:24284."},{"key":"ref_42","doi-asserted-by":"crossref","first-page":"834","DOI":"10.1183\/09031936.93.06060834","article-title":"High prevalences of asthma and related symptoms in teenagers in northern Sweden","volume":"6","author":"Norrman, E.; Rosenhall, L.; Nystrom, L.; Bergstrom, E.; Stjernberg, N.","year":"1993","unstructured":"Norrman E, Rosenhall L, Nystrom L, Bergstrom E, Stjernberg N. High prevalences of asthma and related symptoms in teenagers in northern Sweden. Eur Respir J 1993;6:834-9.","journal-title":"Eur Respir J"},{"key":"ref_43","first-page":"7","article-title":"Prevalence of asthma in a Finnish rural population","volume":"76","author":"Alanko, K.","year":"1970","unstructured":"Alanko K. Prevalence of asthma in a Finnish rural population. Scand J Respir Dis 1970; Suppl 76: 7-64.","journal-title":"Scand J Respir Dis"},{"key":"ref_44","first-page":"59","article-title":"Asthma and allergic rhinitis in Swedish conscripts. Clin Exp Allergy","volume":"19","author":"Aberg, N.","year":"1989","unstructured":"Aberg N. Asthma and allergic rhinitis in Swedish conscripts. Clin Exp Allergy 1989;19:59-63."},{"key":"ref_45","article-title":"Self-reported obstructive airway symptoms are common in young crosscountry skiers","author":"Larsson, L.; Hemmingsson, P.; Boethius, G.","unstructured":"Larsson L, Hemmingsson P, Boethius G. Self-reported obstructive airway symptoms are common in young crosscountry skiers. Scand J Med Sci Sports (in press).","journal-title":"Scand J Med Sci Sports"},{"key":"ref_46","article-title":"High prevalence of asthma in crosscountry skiers","author":"Larsson, K.; Ohlsen, P.; Larrson, L.; Malmberg, P.; Rydstrom, P.O.; Ulriksen, H.","unstructured":"Larsson K, Ohlsen P, Larrson L, Malmberg P, Rydstrom PO, Ulriksen H. High prevalence of asthma in crosscountry skiers. BMJ (in press)."},{"key":"ref_47","first-page":"254","article-title":"Epidemiology","author":"Burney, P.G.J.","year":"1992","unstructured":"Burney PGJ. Epidemiology. In: Clark TJH, Godfrey S, Lee TH, eds. Asthma. 3rd edn. London: Chapman and Hall, 1992:254-307.","edition":"3rd edn"}],"container-title":["Thorax"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/thx.49.1.41","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,5,22]],"date-time":"2023-05-22T18:35:26Z","timestamp":1684780526000},"score":1,"resource":{"primary":{"URL":"https:\/\/thorax.bmj.com\/lookup\/doi\/10.1136\/thx.49.1.41"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1994,1,1]]},"references-count":47,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1994,1,1]]}},"URL":"https:\/\/doi.org\/10.1136\/thx.49.1.41","relation":{},"ISSN":["0040-6376"],"issn-type":[{"value":"0040-6376","type":"print"}],"subject":[],"published":{"date-parts":[[1994,1,1]]}}}